def test_save_config_to_file(self):
# Given
config = {
'db_path': 'db.json',
'language': 'en',
'logger_path': 'logger.json'
}
with open(self.config_file_name, "w") as f:
json.dump(config, f)
config_manager = ConfigManager(self.config_file_name)
setattr(config_manager, 'db_path', 'db2.json')
# When
config_manager.save_configuration()
# Then
with open(self.config_file_name) as f:
config = json.load(f)
self.assertEqual(config['db_path'], 'db2.json')
